People always want to solve the problem of map automatic generalization since computer technology was applied in cartography. Until the 21st century, there is not a perfect method to solve it.
自从计算机技术应用于地图制图学领域的第一天起，地图自动综合就成为人们一直想要解决的问题，直到21世纪的今天，仍没能找到一个万全之策来解决这一国际性难题。
Thus, it is necessary to analyze the method of decomposement and operators set of automatic map generalization for solving this complex problem.
从地图综合对象的本质特征出发，结合地图综合的自身规律，分解了地图自动综合问题。
By using 1:500 topographic map updating 1:2000 topographic through generalization of automatic cartography, decrease the burden of UBGIS data revision.
通过地图自动缩编利用1：50 0地形图更新1：20 00地形图，减少城市基础地理信息系统的更新负担。
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